Home / 18,575.81-27,863.40-7,482.23

Finding the Fourth Proportional to 18,575.81, 27,863.40 and 7,482.23

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Solution

The fourth proportional to 18,575.81, 27,863.40 and 7,482.23 is: 11,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.81 : 27,863.40 = 7,482.23 : x
  2. Step 2: Convert to fraction form
    18,575.81/27,863.40 = 7,482.23/x
  3. Step 3: Cross multiply
    18,575.81x = 27,863.40 × 7,482.23
  4. Step 4: Simplify right side
    18,575.81x = 208,480,367.38
  5. Step 5: Solve for x
    x = 208,480,367.38/18,575.81
  6. Step 6: Final answer
    x = 11,223.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.